Preparation and Electrical Properties of PZT Ceramics with Gradient Compositions

Toshitaka OTA; Takeshi FUKAYA; Norihito IKEDA; Yasuo HIKICHI; Hidero UNUMA; Minoru TAKAHASHI; Hisao SUZUKI

doi:10.2109/jcersj.106.119

Toshitaka OTA, Takeshi FUKAYA, Norihito IKEDA, Yasuo HIKICHI, Hidero UNUMA, Minoru TAKAHASHI, Hisao SUZUKI

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Keywords: Functionally gradient materials, Lead titanate zirconate, Electrical property, Solid solution

JOURNAL FREE ACCESS

1998 Volume 106 Issue 1229 Pages 119-123

DOI https://doi.org/10.2109/jcersj.106.119

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Abstract

Gradient PZT ceramics with a series of PbZr_xTi_1-xO₃ solid solutions in a single ceramic body were prepared by sintering a green compact composed of two different PZT layers in contact with each other. The composition of PbZr_xTi_1-xO₃ solid solution varied continuously with the distance from the interface. The dielectric and piezoelectric properties of the gradient PZT ceramics yielded the value of an intermediate composition between two single-phase PZT ceramics on both sides or the value of either of them.

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